Results 51 to 60 of about 13,546,865 (288)

Large Area Epitaxial Lateral Overgrowth of Semipolar (11¯$1 \left(\right. \macr \left.\right)$01) GaN Stripes on Patterned Si Substrates Prepared using Maskless Lithography

open access: yesphysica status solidi (b), Volume 261, Issue 11, November 2024.
The growth of semipolar (11¯01$1101 \left(\right. \macr \left.\right)$) GaN stripes and InGaN LED structure on patterned Si substrate is demonstrated by applying mature Si processing techniques. This method enables the large‐scale Si substrate patterning required for semipolar GaN growth and is expected to be applied to the mass production of semipolar
Naofumi Takeda   +3 more
wiley   +1 more source

Bionic boron/silicon‐modified phenolic resin system with multifunctional groups: synthesis, thermal properties and ablation mechanism

open access: yesBiosurface and Biotribology, Volume 4, Issue 3, Page 85-93, September 2018., 2018
A kind of silicon‐and‐boron‐modified phenolic–formaldehyde resin (SBPF) with excellent thermal stability was fabricated via a simple two‐step method and used for the matrix of ablation materials. The structure and thermal stability of the modified phenolic–formaldehyde resins (PFs) were characterised.
Fengyi Wang   +2 more
wiley   +1 more source

Optimistic versus Pessimistic--Optimal Judgemental Bias with Reference Point [PDF]

open access: yes, 2012
This paper develops a model of reference-dependent assessment of subjective beliefs in which loss-averse people optimally choose the expectation as the reference point to balance the current felicity from the optimistic anticipation and the future ...
Chen, Si
core   +1 more source

Recent improvement of silicon absorption in opto-electric devices

open access: yesOpto-Electronic Advances, 2019
Silicon dominates the contemporary electronic industry. However, being an indirect band-gap material, it is a poor absorber of light, which decreases the efficiency of Si-based photodetectors and photovoltaic devices.
Yatsui Takashi
doaj   +1 more source

Formación de las emociones y su incidencia en la inestabilidad motriz en los niños de 4-5 años en la escuela José De Vasconcellos

open access: yesEducare, 2022
Este artículo sintetiza el trabajo de investigación desarrollado en la Escuela “José de Vasconcellos”, el cual tuvo como objetivo establecer la incidencia de la formación de emociones en la inestabilidad motriz en 19 niños de 4 a 5.
Eunice Berenice Vélez Ávila   +2 more
doaj   +1 more source

Surface Photovoltage Spectroscopy as a Valuable Tool for Evaluating Oxidation Processes in the Microelectronics Industry

open access: yesphysica status solidi (a), Volume 221, Issue 17, September 2024.
The minority carrier diffusion length (MCDL) and the flat band voltage, determined by surface photovoltage spectroscopy measurements, are compared in n‐ and p‐type Si wafers after oxidation under different conditions using various tools (horizontal and vertical furnaces, atomic layer deposition (ALD), low‐pressure chemical vapor deposition, and plasma ...
Vladimir Kolkovsky
wiley   +1 more source

Natural‐air‐cooled 5 kVA single‐phase GaN inverter with paralleled multilayer PCB magnetics

open access: yesThe Journal of Engineering, Volume 2018, Issue 2, Page 94-103, February 2018., 2018
In this study, a systematic approach to the design and development of a high‐efficiency, natural‐air‐cooled, single‐phase inverter with a multilayer high‐current printed‐circuit board (PCB) magnetics is presented. The size and efficiency of inverters implemented with the silicon transistor technology have almost reached a certain limit. The use of wide
Hüseyin Meşe, Işık Çadırcı
wiley   +1 more source

Metrisering

open access: yesSouth African Journal of Business Management, 1970
South Africa is at present experiencing a radical change by the introduction of the metric system. In this article, the advantages of the modern internationally accepted metric system (S.I.) are sketched.
S. J. du Toit
doaj   +1 more source

Estrategia didáctica para el desarrollo lingüístico de los niños de 4 años de la Unidad Educativa Fiscal “El Palmar”

open access: yesEducare, 2022
Este artículo reporta los resultados de un estudio que tuvo como propósito el diseño de una estrategia didáctica basada en la lectoescritura que permita el desarrollo lingüístico de los niños y niñas de la Unidad Educativa Fiscal “El Palmar” en edad ...
Melva Clementina Bravo Palacios   +1 more
doaj   +1 more source

Workload Assessment of Workers in the Assembly Lines of a Car Manufacturing Company

open access: yesSalāmat-i kār-i Īrān, 2014
Background and aims: Workload can be defined as the operator's required capacity to meet a special level of performance while performing a task. Optimized workload is a point at which any increase or decrease could have negative effects on operator's ...
A Mazloumi   +4 more
doaj  

Home - About - Disclaimer - Privacy